Locking means for doors and windows

Details Locking means for doors and windows Locking means for doors and windows

1975-11-28

1977-03-29

Staab, Lawrence J.

Closure fasteners

Rigid engaging means

16137, E05C 1900

Patent

active

040145719

ABSTRACT:
A locking device for doors and windows which are disposed in a jamb and are provided with hinges having an exposed removable pin, the device comprising a pair of plates each having an angled end portion, one of the plates being mounted on the back of the door or window proximate each hinge, and the other plate being mounted on the jamb with its angled end portion projecting behind the angled end portion of the plate mounted on the back of the door or window when the door or window is in a closed position. Although the hinge pins may be removed, the door or window is prevented from being pryed away from the jamb by the interfering angled end portions of the plates.

REFERENCES:
patent: 323342 (1885-07-01), Kitson
patent: 340991 (1886-05-01), Diehl
patent: 1111135 (1914-09-01), Carlson
patent: 1421746 (1922-07-01), Thorne
patent: 1579848 (1926-04-01), Veno
patent: 1738183 (1929-12-01), Hickman
patent: 2223676 (1940-12-01), Dinsmore et al.
patent: 2729862 (1956-01-01), Marjama
patent: 3166144 (1965-01-01), Price
patent: 3911622 (1975-10-01), Prohaska

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